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Finding the Fourth Proportional to 433,809.90, 650,714.85 and 220,577.40

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Solution

The fourth proportional to 433,809.90, 650,714.85 and 220,577.40 is: 330,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,809.90 : 650,714.85 = 220,577.40 : x
  2. Step 2: Convert to fraction form
    433,809.90/650,714.85 = 220,577.40/x
  3. Step 3: Cross multiply
    433,809.90x = 650,714.85 × 220,577.40
  4. Step 4: Simplify right side
    433,809.90x = 143,532,989,754.39
  5. Step 5: Solve for x
    x = 143,532,989,754.39/433,809.90
  6. Step 6: Final answer
    x = 330,866.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.